Description
This item is brand-new, factory sealed.
Holley 122-78 Standard Main Jet – Pair
- Designed to fine-tune the carburetor for street or race applications
- Threaded for easy installation and removal
- 0.0870” hole size
- Comes with 1/4-32 unified fine thread
- Comes in a pair
- Manufacturer: Holley
- Brand: Holley
- Model: Holley Carburetor Standard Main Jet
- Item Weight: 0.352 ounces
- Country of Origin: USA
- Item model number: 122-78
- Is Discontinued By Manufacturer: No
- Exterior: Machined
- Manufacturer Part Number: 12278
- OEM Part Number: 122-78
This standard main jet is manufactured to high tolerances for consistency and is designed to fine-tune the carburetor for street or race applications. The hole size measures 0.0870” and is threaded for easy installation and removal. It is a replacement jet and comes with 1/4-32 unified fine thread.
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